<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org>               //
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
/////////////////////////////////////////////////////////////////
//                                                             //
// /demo/demo.mimeonly.php - part of getID3()                  //
// Sample script for scanning a single file and returning only //
// the MIME information                                        //
// See readme.txt for more details                             //
//                                                            ///
/////////////////////////////////////////////////////////////////

die('Due to a security issue, this demo has been disabled. It can be enabled by removing line '.__LINE__.' in '.$_SERVER['PHP_SELF']);

echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">';
echo '<html><head><title>getID3 demos - MIME type only</title><style type="text/css">BODY, TD, TH { font-family: sans-serif; font-size: 10pt; }</style></head><body>';

if (!empty($_REQUEST['filename'])) {
    echo 'The file "'.htmlentities($_REQUEST['filename']).'" has a MIME type of "'.htmlentities(GetMIMEtype($_REQUEST['filename'])).'"';
} else {
    echo 'Usage: <span style="font-family: monospace;">'.htmlentities($_SERVER['PHP_SELF']).'?filename=<i>filename.ext</i></span>';
}

function GetMIMEtype($filename)
{
    $filename = realpath($filename);
    if (!file_exists($filename)) {
        echo 'File does not exist: "'.htmlentities($filename).'"<br>';

        return '';
    } elseif (!is_readable($filename)) {
        echo 'File is not readable: "'.htmlentities($filename).'"<br>';

        return '';
    }

    // include getID3() library (can be in a different directory if full path is specified)
    require_once '../getid3/getid3.php';
    // Initialize getID3 engine
    $getID3 = new getID3();

    $DeterminedMIMEtype = '';
    if ($fp = fopen($filename, 'rb')) {
        $getID3->openfile($filename);
        if (empty($getID3->info['error'])) {

            // ID3v2 is the only tag format that might be prepended in front of files, and it's non-trivial to skip, easier just to parse it and know where to skip to
            getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
            $getid3_id3v2 = new GetId3\Module\Tag\Id3v2($getID3);
            $getid3_id3v2->analyze();

            fseek($fp, $getID3->info['avdataoffset'], SEEK_SET);
            $formattest = fread($fp, 16);  // 16 bytes is sufficient for any format except ISO CD-image
            fclose($fp);

            $DeterminedFormatInfo = $getID3->GetFileFormat($formattest);
            $DeterminedMIMEtype = $DeterminedFormatInfo['mime_type'];
        } else {
            echo 'Failed to getID3->openfile "'.htmlentities($filename).'"<br>';
        }
    } else {
        echo 'Failed to fopen "'.htmlentities($filename).'"<br>';
    }

    return $DeterminedMIMEtype;
}

?>
</body>
</html>
